diff mbox series

[RFC,33/67] KVM: Export kvm_is_reserved_pfn() for use by TDX

Message ID 166f7cdaac4eadf86615bcc508164235e13d76b7.1605232743.git.isaku.yamahata@intel.com (mailing list archive)
State New, archived
Headers show
Series KVM: X86: TDX support | expand

Commit Message

Isaku Yamahata Nov. 16, 2020, 6:26 p.m. UTC 
From: Sean Christopherson <sean.j.christopherson@intel.com>

TDX will use kvm_is_reserved_pfn() to prevent installing a reserved PFN
int SEPT.  Or rather, to prevent such an attempt, as reserved PFNs are
not covered by TDMRs.

Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
---
 virt/kvm/kvm_main.c | 1 +
 1 file changed, 1 insertion(+)
diff mbox series

Patch

diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index aa5f27753756..a60dcf682f33 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -185,6 +185,7 @@  bool kvm_is_reserved_pfn(kvm_pfn_t pfn)
 
 	return true;
 }
+EXPORT_SYMBOL_GPL(kvm_is_reserved_pfn);
 
 bool kvm_is_transparent_hugepage(kvm_pfn_t pfn)
 {